Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 225 [Rate centres in NPA 225] [Dial plan for NPA 225]

NXX: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
225-524 A Clinton LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2024-05-03   
225-524 0 Clinton LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2024-05-03   
225-524 1 Clinton LA   515J IP HORIZON LLC 492   2024-05-06   
225-524 7 Clinton LA   749E ONVOY, LLC - LA 492   2025-02-01   
225-524 8 Clinton LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2024-07-15   
225-524 9 Clinton LA BTRGLAGWXPZ  624H ONVOY SPECTRUM, LLC 492   2024-09-28   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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